html, body, #main { height: 96%; }

#title {
  font-size: x-large;
  background-color: #b0c4de;
  padding: 20px;
  margin-bottom: 10px;
  border-radius: 15px;
  height: 30px;
}

.left {
  float: left;
}

.right {
  float: right;
}

#menu {
  width: 210px;
  height: 90%;
  background-color: #bcd;
  padding: 20px;
  padding-right: 0px;
  float: left;
  border-radius: 15px;
}

#content {
  height: 90%;
  /*background-color: #d0c49e;*/
  padding: 20px;
  margin-left: 240px;
  border-radius: 15px;
}

#content-frame {
  background-color: transparent;
  border: 0px none transparent;
  padding: 0px;
  width: 100%;
  height: 100%;
  scrolling: 'auto';
}

.menu_item {
  width: 195px;
  height: 20px;
  padding: 5px;
  margin: 5px;
  position: relative; /* for z-index */
  z-index: 100;
  cursor: pointer;  
}

.menu_item:hover {
  background-color: #a0b4ce;
 }

#menu_selector {
  background-color: #90a0b6;
  position: absolute;
  z-index: 50;
  border-radius: 5px;
  -webkit-transition-property: top;
  -webkit-transition-duration: 0.2s;
  -webkit-transition-timing-function: ease;
  -webkit-transition-delay: 0s;
  -moz-transition-property: top;
  -moz-transition-duration: 0.2s;
  -moz-transition-timing-function: ease;
  -moz-transition-delay: 0s;
  -o-transition-property: top;
  -o-transition-duration: 0.2s;
  -o-transition-timing-function: ease;
  -o-transition-delay: 0s;
  -ms-transition-property: top;
  -ms-transition-duration: 0.2s;
  -ms-transition-timing-function: ease;
  -ms-transition-delay: 0s;
  transition-property: top;
  transition-duration: 0.2s;
  transition-timing-function: ease;
  transition-delay: 0s;
}